20741850 has 36 divisors (see below), whose sum is σ = 55727646. Its totient is φ = 5531040.

The previous prime is 20741849. The next prime is 20741857. The reversal of 20741850 is 5814702.

It can be written as a sum of positive squares in 3 ways, for example, as 15280281 + 5461569 = 3909^2 + 2337^2 .

It is not an unprimeable number, because it can be changed into a prime (20741857) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22597 + ... + 23496.

Almost surely, 2^20741850 is an apocalyptic number.

20741850 is an abundant number, since it is smaller than the sum of its proper divisors (34985796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20741850 is a wasteful number, since it uses less digits than its factorization.

20741850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46111 (or 46103 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 20741850 is about 4554.3221229948. The cubic root of 20741850 is about 274.7572513481.

The spelling of 20741850 in words is "twenty million, seven hundred forty-one thousand, eight hundred fifty".